<template>
  <!-- 防止页面闪烁问题 -->
  <view class="goods-detail-container" v-if='goods_info.goods_name'>
    <!-- 头部轮播图 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
      <swiper-item v-for="(item,index) in goods_info.pics" :key='index'>
        <image :src="item.pics_big" @click="preview(index)"></image>
      </swiper-item>
    </swiper>

    <!-- 商品信息区域 -->
    <view class="goods-info-box">
      <!-- 商品价格 -->
      <view class="price">￥{{goods_info.goods_price}}</view>
      <!-- 信息主体 -->
      <view class="goods-info-body">
        <!-- 商品名字 -->
        <view class="goods-name">{{goods_info.goods_name}}</view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type='star' size='18' color='gray'></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="yf">快递: 免运费</view>
    </view>

    <!-- 商品信息详情 -->
    <rich-text :nodes="goods_info.goods_introduce"></rich-text>

    <!-- 商品导航区域 -->
    <view class="goods_nav">
      <uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick" />
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        goods_info: {}, //商品详情
        options: [{
          icon: 'shop',
          text: '店铺',
          infoBackgroundColor: '#007aff',
          infoColor: "red"
        }, {
          icon: 'cart',
          text: '购物车',
          info: 2
        }],
        buttonGroup: [{
            text: '加入购物车',
            backgroundColor: '#ff0000',
            color: '#fff'
          },
          {
            text: '立即购买',
            backgroundColor: '#ffa200',
            color: '#fff'
          }
        ]
      };
    },

    onLoad(options) {
      const goods_id = options.good_id
      this.getGoodsDetail(goods_id)
    },

    methods: {
      // 商品详情的数据请求
      async getGoodsDetail(goods_id) {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/goods/detail', {
          goods_id
        })
        console.log(res)
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g, '<img style="display:block;" ').replace(
          /webp/g, 'jpg')
        this.goods_info = res.message
      },

      // 轮播图预览
      preview(index) {
        // 调用预览图的方法
        uni.previewImage({
          current: index, //图片索引
          urls: this.goods_info.pics.map(x => x.pics_big) //遍历图片地址
        })
      },

      // 购物车点击事件
      onClick(e){
        if(e.content.text === '购物车'){
          // 跳转购物车页面
          uni.switchTab({
            url:'/pages/cart/cart'
          })
        }
      }
    },

    // 
  }
</script>

<style lang="scss">
  .goods-detail-container{
    padding-bottom: 50px;
  }
  swiper {
    height: 750rpx;

    image {
      width: 100%;
      height: 100%;
    }
  }

  // 商品信息区域的样式
  .goods-info-box {
    padding: 10px;
    padding-right: 0;

    .price {
      color: #c00000;
      font-size: 18px;
      margin: 10px 0;
    }

    .goods-info-body {
      display: flex;
      justify-content: space-between;

      .goods-name {
        font-size: 13px;
        padding-right: 10px;
      }

      // 收藏区域
      .favi {
        width: 120px;
        font-size: 12px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        border-left: 1px solid #efefef;
        color: gray;
      }
    }

    // 运费
    .yf {
      margin: 10px 0;
      font-size: 12px;
      color: gray;
    }
  }
  
  // 商品导航
  .goods_nav{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
  }
  
</style>
